Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives

HS v2022 Code: 293321

About heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives

HS code 293321 covers a diverse range of heterocyclic compounds that contain nitrogen atoms and an unfused imidazole ring structure. These compounds are widely used in the pharmaceutical, agrochemical, and specialty chemical industries, playing a crucial role in the development of various drugs, pesticides, and other high-value products. The global market for these heterocyclic compounds is expected to grow steadily in the coming years, driven by increasing demand for innovative and effective therapeutic solutions, as well as the need for advanced agrochemicals to boost agricultural productivity.

Production process

The production of the compounds covered under HS code 293321 typically involves a series of chemical synthesis steps, including cyclization, condensation, and functionalization reactions. These processes are often carried out in specialized chemical laboratories and production facilities, utilizing advanced equipment and carefully controlled reaction conditions to ensure the desired purity and yield of the target compounds.

Production inputs

The main inputs required for the production of HS code 293321 compounds include a range of organic and inorganic raw materials, such as 290121 methane, 290230 benzene, 292119 amines, and various other chemical precursors. Additionally, the industry relies on specialized equipment, including reactors, distillation columns, and purification systems, as well as skilled personnel with expertise in organic synthesis and process optimization.

Production outputs

The compounds classified under HS code 293321 are widely used as intermediates and building blocks in the production of a variety of pharmaceutical, agrochemical, and specialty chemical products. These include 300490 medicaments, 380892 fungicides, and 380893 herbicides, among others. The versatility of these heterocyclic compounds allows them to be incorporated into a broad range of end-use applications, contributing to the overall growth and development of the global chemical industry.

Revisions to 293321

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 293321. The most recent 1 version of this code (293321) is in the HS v2022 system (this version):

This page shows the most recent version of code 293321.

Family tree for heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2933'>2933: Heterocyclic compounds with nitrogen hetero-atom(s) only</a>"]
B --> C["<a href='/classifications/hs/v2022/293321'>293321: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives</a>"]

    B --> D["<a href='/classifications/hs/v2022/293311'>293311: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives</a>"]
B --> E["<a href='/classifications/hs/v2022/293319'>293319: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other than henazone (antipyrin) and its derivatives</a>"]
B --> F["<a href='/classifications/hs/v2022/293329'>293329: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives</a>"]
B --> G["<a href='/classifications/hs/v2022/293331'>293331: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts</a>"]
B --> H["<a href='/classifications/hs/v2022/293332'>293332: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts</a>"]
B --> I["<a href='/classifications/hs/v2022/293333'>293333: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN)</a>"]
B --> J["<a href='/classifications/hs/v2022/293334'>293334: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other fentanyls and their derivatives</a>"]
B --> K["<a href='/classifications/hs/v2022/293335'>293335: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 3-quinuclidinol</a>"]
B --> L["<a href='/classifications/hs/v2022/293336'>293336: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 4-anilino-N-phenethylpiperidine (ANPP)</a>"]
B --> M["<a href='/classifications/hs/v2022/293337'>293337: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)</a>"]
B --> N["<a href='/classifications/hs/v2022/293339'>293339: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3</a>"]
B --> O["<a href='/classifications/hs/v2022/293341'>293341: Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, levorphanol (INN) and its salts</a>"]
B --> P["<a href='/classifications/hs/v2022/293349'>293349: Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, other than levorphanol (INN) and its salts</a>"]
B --> Q["<a href='/classifications/hs/v2022/293352'>293352: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts</a>"]
B --> R["<a href='/classifications/hs/v2022/293353'>293353: Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof</a>"]
B --> S["<a href='/classifications/hs/v2022/293354'>293354: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53</a>"]
B --> T["<a href='/classifications/hs/v2022/293355'>293355: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure; loprazolam (INN), mecloqualone (INN), methaqualone (INN), and zipeprol (INN); salts thereof</a>"]
B --> U["<a href='/classifications/hs/v2022/293359'>293359: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, (other than malonylurea and its derivatives, loprazolam, mecloqualone, methaqualone, zipeprol, and salts thereof) n.e.c. in 2933.5</a>"]
B --> V["<a href='/classifications/hs/v2022/293361'>293361: Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine</a>"]
B --> W["<a href='/classifications/hs/v2022/293369'>293369: Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, others excluding melamine</a>"]
B --> X["<a href='/classifications/hs/v2022/293371'>293371: Heterocyclic compounds; lactams; 6-hexanelactam (epsilon-caprolactam)</a>"]
B --> Y["<a href='/classifications/hs/v2022/293372'>293372: Heterocyclic compounds; lactams; clobazam (INN) and methyprylon (INN)</a>"]
B --> Z["<a href='/classifications/hs/v2022/293379'>293379: Heterocyclic compounds; lactams; other than 6-hexanelactam (epsilon caprolactam) and clobazam (INN) and methyprylon (INN)</a>"]
B --> BA["<a href='/classifications/hs/v2022/293391'>293391: Heterocyclic compounds; alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont)</a>"]
B --> BB["<a href='/classifications/hs/v2022/293392'>293392: Heterocyclic compounds; azinphos-methyl (ISO)</a>"]
B --> BC["<a href='/classifications/hs/v2022/293399'>293399: Heterocyclic compounds; n.e.c. in headings no. 2933</a>"]

    

    %% Color coordination by level

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    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6
class O level6
class P level6
class Q level6
class R level6
class S level6
class T level6
class U level6
class V level6
class W level6
class X level6
class Y level6
class Z level6
class BA level6
class BB level6
class BC level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight